Everything was fine except when I tried to enter an alternate email address, when I clicked on verify, nothing happened. So I deleted the email address and then I went back in and re-entered it. That time it said something about that the email address was used with another Apple ID, which is not possible, because the email address I entered is my exclusive email address with my internet service provider. Nobody else has it. So now the alternate Apple ID has no email address that is attached to it. Does this matter?

I hope I understand your issue when I answer like this. Apple ID uses a third party email (xx@google.com or cx@yahoo.com, but not xx@icloud. com or xx@me.com) as the main and initial email for apple ID. You may add another (more common email to ease the login process, but it's not necessary.